. >>> the epa has ordered nasa to clean up moffet field. the epa says nasa needs to take immediate long-term action to clean up the contaminated soil. the state and the epa will monitor that cleanup. >> in san francisco today, a 162nd annual st.~patrick's day parade marched to the civic center. ♪ >> carolyn: flouts and bagpipes, community groups, soccer teams, walked proudly through the civic center. it was time for the wearing of the green, on a day when everyone is irish, especially someone from ireland. >> ireland is 6,000 miles away, and he is a little irish-american, so it's nice to come out here, see everybody celebrating, and also just knowing that irish culture and the people get celebrated worldwide. >> the official separation st.~patrick's day is tomorrow and because some people celebrate much the police will be out in force this weekend on dui patrol. check points begin tonight and run until 3:00 in the morning. authorities are urging people to plan a safe way home, and designate a sober driver while leaving your keys at home.